#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source ../settings/scripts/_common.sh
source ../settings/scripts/ynh_systemd_action
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

ynh_clean_setup () {
	#### Remove this function if there's nothing to clean before calling the remove script.
	true
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================
ynh_print_info "Loading settings..."

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get $app domain)
path_url=$(ynh_app_setting_get $app path)
is_public=$(ynh_app_setting_get $app is_public)
final_path=$(ynh_app_setting_get $app final_path)
db_name=$(ynh_app_setting_get $app db_name)
port=$(ynh_app_setting_get $app final_path)

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_print_info "Validating restoration parameters..."

ynh_webpath_available $domain $path_url \
	|| ynh_die "Path not available: ${domain}${path_url}"
test ! -d $final_path \
	|| ynh_die "There is already a directory: $final_path "

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================

ynh_restore_file "/etc/nginx/conf.d/$domain.d/$app.conf"

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_print_info "Restoring the app main directory..."

ynh_restore_file "$final_path"

#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_print_info "Recreating the dedicated system user..."

# Create the dedicated user (if not existing)
ynh_system_user_create $app "$final_path"

#=================================================
# RESTORE USER RIGHTS
#=================================================

# Restore permissions on app files
chown -R $app: "$final_path"
chmod -R 640 "$final_path"
find "$final_path" -type d -print0 | xargs -0 chmod 750

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_print_info "Reinstalling dependencies..."

# Define and install dependencies
ynh_install_nodejs 8.15.1
ynh_use_nodejs

ynh_install_app_dependencies $pkg_dependencies

#=================================================
# RESTORE THE MONGODB DATABASE
#=================================================
ynh_print_info "Restoring the MongoDB database..."

# Start mongodb
systemctl enable mongodb
systemctl start mongodb
mongorestore --db $db_name ./dump/$db_name

#=================================================
# RESTORE SYSTEMD
#=================================================
ynh_print_info "Restoring the systemd configuration..."

ynh_restore_file "/etc/systemd/system/$app.service"
systemctl enable $app.service

#=================================================
# ADVERTISE SERVICE IN ADMIN PANEL
#=================================================

yunohost service add mongodb --log "/var/log/mongodb/mongodb.log"
yunohost service add $app

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX
#=================================================
ynh_print_info "Reloading nginx web server..."

systemctl reload nginx

#=================================================
# START SERVICE
#=================================================

ynh_systemd_action --action=start --service_name=$app --log_path="systemd" --line_match="Kadira: completed instrumenting the app"
sleep 10

#=================================================
# END OF SCRIPT
#=================================================

ynh_print_info "Restoration completed for $app"